feat(init/meta/lean/parser): persist environment in `tactic_to_parser`
feat(init/meta/lean/parser): persist environment in `tactic_to_parser`

leanprover-community/lean,avigad/lean,avigad/lean,leanprover/lean,johoelzl/lean,fpvandoorn/lean,johoelzl/lean,leanprover/lean,digama0/lean,Kha/lean,avigad/lean,dselsam/lean,johoelzl/lean,leodemoura/lean,fpvandoorn/lean,Kha/lean,dselsam/lean,avigad/lean,leodemoura/lean,leanprover-community/lean,leodemoura/lean,leanprover/lean,leanprover/lean,fpvandoorn/lean,digama0/lean,leodemoura/lean,dselsam/lean,leanprover-community/lean,digama0/lean,avigad/lean,fpvandoorn/lean,leanprover-community/lean,digama0/lean,fpvandoorn/lean,Kha/lean,johoelzl/lean,digama0/lean,fpvandoorn/lean,leanprover-community/lean,johoelzl/lean,Kha/lean,Kha/lean,digama0/lean,leanprover/lean,dselsam/lean,avigad/lean,leanprover-community/lean,Kha/lean,johoelzl/lean,dselsam/lean,leodemoura/lean,dselsam/lean,leanprover/lean,leodemoura/lean